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authorPrike Liang <Prike.Liang@amd.com>2025-07-22 13:43:51 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-10-13 14:14:34 -0400
commit873f44c32797c2f4715a6632eac0807fd1084747 (patch)
tree10353e71f3a1b46d58ce449d7656ba8170d9ce88 /drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
parent2a28f9665dca1a142a758477409e6c08fc764c5d (diff)
drm/amdgpu: keeping waiting userq fence infinitely
Keeping waiting the userq fence infinitely until hang detection, and then suspend the hang queue and set the fence error. Signed-off-by: Prike Liang <Prike.Liang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index 5c66f472d055..4cd662ad7be9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -213,19 +213,24 @@ amdgpu_userq_map_helper(struct amdgpu_userq_mgr *uq_mgr,
return r;
}
-static void
+static int
amdgpu_userq_wait_for_last_fence(struct amdgpu_userq_mgr *uq_mgr,
struct amdgpu_usermode_queue *queue)
{
struct dma_fence *f = queue->last_fence;
- int ret;
+ int ret = 0;
if (f && !dma_fence_is_signaled(f)) {
- ret = dma_fence_wait_timeout(f, true, msecs_to_jiffies(100));
- if (ret <= 0)
+ ret = dma_fence_wait_timeout(f, true, MAX_SCHEDULE_TIMEOUT);
+ if (ret <= 0) {
drm_file_err(uq_mgr->file, "Timed out waiting for fence=%llu:%llu\n",
f->context, f->seqno);
+ queue->state = AMDGPU_USERQ_STATE_HUNG;
+ return -ETIME;
+ }
}
+
+ return ret;
}
static void